328853800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 854945280

約数和(自身を除く): 526091480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 107, 110, 121, 127, 200, 214, 220, 242, 254, 275, 428, 440, 484, 508, 535, 550, 605, 635, 856, 968, 1016, 1070, 1100, 1177, 1210, 1270, 1397, 2140, 2200, 2354, 2420, 2540, 2675, 2794, 3025, 3175, 4280, 4708, 4840, 5080, 5350, 5588, 5885, 6050, 6350, 6985, 9416, 10700, 11176, 11770, 12100, 12700, 12947, 13589, 13970, 15367, 21400, 23540, 24200, 25400, 25894, 27178, 27940, 29425, 30734, 34925, 47080, 51788, 54356, 55880, 58850, 61468, 64735, 67945, 69850, 76835, 103576, 108712, 117700, 122936, 129470, 135890, 139700, 149479, 153670, 235400, 258940, 271780, 279400, 298958, 307340, 323675, 339725, 384175, 517880, 543560, 597916, 614680, 647350, 679450, 747395, 768350, 1195832, 1294700, 1358900, 1494790, 1536700, 1644269, 2589400, 2717800, 2989580, 3073400, 3288538, 3736975, 5979160, 6577076, 7473950, 8221345, 13154152, 14947900, 16442690, 29895800, 32885380, 41106725, 65770760, 82213450, 164426900, 328853800]

約数ペア:

[(1, 328853800), (2, 164426900), (4, 82213450), (5, 65770760), (8, 41106725), (10, 32885380), (11, 29895800), (20, 16442690), (22, 14947900), (25, 13154152), (40, 8221345), (44, 7473950), (50, 6577076), (55, 5979160), (88, 3736975), (100, 3288538), (107, 3073400), (110, 2989580), (121, 2717800), (127, 2589400), (200, 1644269), (214, 1536700), (220, 1494790), (242, 1358900), (254, 1294700), (275, 1195832), (428, 768350), (440, 747395), (484, 679450), (508, 647350), (535, 614680), (550, 597916), (605, 543560), (635, 517880), (856, 384175), (968, 339725), (1016, 323675), (1070, 307340), (1100, 298958), (1177, 279400), (1210, 271780), (1270, 258940), (1397, 235400), (2140, 153670), (2200, 149479), (2354, 139700), (2420, 135890), (2540, 129470), (2675, 122936), (2794, 117700), (3025, 108712), (3175, 103576), (4280, 76835), (4708, 69850), (4840, 67945), (5080, 64735), (5350, 61468), (5588, 58850), (5885, 55880), (6050, 54356), (6350, 51788), (6985, 47080), (9416, 34925), (10700, 30734), (11176, 29425), (11770, 27940), (12100, 27178), (12700, 25894), (12947, 25400), (13589, 24200), (13970, 23540), (15367, 21400)]